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Finding the Fourth Proportional to 229,503.61, 316,708.69 and 127,526.45

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Solution

The fourth proportional to 229,503.61, 316,708.69 and 127,526.45 is: 175,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,503.61 : 316,708.69 = 127,526.45 : x
  2. Step 2: Convert to fraction form
    229,503.61/316,708.69 = 127,526.45/x
  3. Step 3: Cross multiply
    229,503.61x = 316,708.69 × 127,526.45
  4. Step 4: Simplify right side
    229,503.61x = 40,388,734,919.85
  5. Step 5: Solve for x
    x = 40,388,734,919.85/229,503.61
  6. Step 6: Final answer
    x = 175,983.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.